CVE-2017-9461

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2022-05-13. NVD baseline CVSS 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 4%CVSS: 6.5Exploit: NoneExposed: 0

A fix is available — apply it.

smbd in Samba before 4.4.10 and 4.5.x before 4.5.6 has a denial of service vulnerability (fd_open_atomic infinite loop with high CPU usage and memory consumption) due to wrongly handling dangling symlinks.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
—
EPSS
89.9%
KEV
Not listed

Published

June 6, 2017

Last Modified

May 13, 2026

References (16)

Vendor Advisories for CVE-2017-9461(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntusamba (2:4.5.8+dfsg-0ubuntu0.17.04.3) @ zesty2026-05-22ubuntu
redhatsamba-0:4.6.3-5.el6rhs2017-09-21redhat
redhatsamba-0:4.6.2-8.el72017-08-01redhat
redhatsamba-0:4.6.3-4.el7rhgs2017-08-01redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Additional Vendor Advisories

(2)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 12× in last 7d / 45× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 120 total refreshes for this CVE.

  1. 2026-07-22 22:11 UTCEG score recompute
  2. 2026-07-22 14:04 UTCEPSS rescore
  3. 2026-07-21 15:21 UTCEPSS rescore
  4. 2026-07-20 17:04 UTCEPSS rescore
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  19. 2026-07-12 05:43 UTCEPSS rescore
  20. 2026-07-11 22:22 UTCOSV refresh
  21. 2026-07-11 08:24 UTCEPSS rescore
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  24. 2026-07-06 16:24 UTCEPSS rescore
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  18. 2026-06-23 21:30 UTCEPSS rescore
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  20. 2026-06-23 05:00 UTCOSV refresh
  21. 2026-06-22 14:23 UTCEPSS rescore
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  23. 2026-06-21 01:57 UTCEPSS rescore
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  25. 2026-06-19 19:23 UTCEPSS rescore
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  27. 2026-06-18 17:50 UTCEPSS rescore
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  39. 2026-06-10 13:19 UTCEPSS rescore
  40. 2026-06-08 14:14 UTCEPSS rescore
  41. 2026-06-08 14:14 UTCEPSS rescore
  42. 2026-06-07 15:22 UTCEPSS rescore
  43. 2026-06-07 15:22 UTCEPSS rescore
  44. 2026-06-06 02:47 UTCOSV refresh
  45. 2026-06-05 22:44 UTCEPSS rescore
  46. 2026-06-05 22:44 UTCEPSS rescore
  47. 2026-06-05 06:08 UTCEPSS rescore
  48. 2026-06-05 06:08 UTCEPSS rescore
  49. 2026-06-04 13:10 UTCEPSS rescore
  50. 2026-06-04 13:10 UTCEPSS rescore
  51. 2026-06-02 20:11 UTCEPSS rescore
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  53. 2026-06-01 13:49 UTCEPSS rescore
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  55. 2026-05-31 22:28 UTCEPSS rescore
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  58. 2026-05-29 13:41 UTCEPSS rescore
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  72. 2026-05-22 21:15 UTCEPSS rescore
  73. 2026-05-22 12:53 UTCEG score recompute
  74. 2026-05-22 12:53 UTCVendor advisory
  75. 2026-05-22 12:53 UTCGHSA enrichment

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Frequently asked(5)

What is CVE-2017-9461?
CVE-2017-9461 is a medium vulnerability published on June 6, 2017. smbd in Samba before 4.4.10 and 4.5.x before 4.5.6 has a denial of service vulnerability (fdopenatomic infinite loop with high CPU usage and memory consumption) due to wrongly handling dangling symlinks.
When was CVE-2017-9461 disclosed?
CVE-2017-9461 was first published in the National Vulnerability Database on June 6, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-9461 actively exploited?
CVE-2017-9461 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 89.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-9461?
CVE-2017-9461 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2017-9461?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-9461, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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